| article html file updated | 6 February 2020 16:02 CET | Update | https://www.mdpi.com/1660-4601/12/2/2249 |
| article html file updated | 7 May 2019 00:50 CEST | Update | - |
| article html file updated | 25 March 2019 21:54 CET | Update | - |
| article html file updated | 21 August 2015 07:47 CEST | Update | - |
| article html file updated | 3 March 2015 07:00 CET | Original file | - |
| article xml file uploaded | 3 March 2015 07:00 CET | Original file | https://www.mdpi.com/1660-4601/12/2/2249/xml |
| article pdf uploaded. | 16 February 2015 14:03 CET | Version of Record | https://www.mdpi.com/1660-4601/12/2/2249/pdf |
